diff --git a/README.md b/README.md
index 57e2ec3..6c6a762 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,8 @@ Here a table recapitulating the possible parameters to pass to `SearchModule`:
 
 If we keep the above example, we search among the elements that have the class "item". In order for the search bar to work properly, you absolutely need to add a specific attribute to each HTML element that has this class. If you don't do this, an exception will be thrown. This attribute is: `data-keywords`. In this attribute you can write the list of keywords that correspond to each item.
 
+If an element doesn't have the attribute, an error will be thrown in the console (via `console.error()`). Therefore, this element will always be displayed whereas it does'nt correspond to what the user is looking at.
+
 For example, we have a list of fruits:
 
 ```
@@ -60,7 +62,7 @@ For example, we have a list of fruits:
 
 Therefore, if the user writes "apple", only the last item will be displayed. However, if the user writes "framboise" or "strawberry", then the second element will be displayed.
 
-For more details, I invite you to look at the example provided in the `src` folder.
+For a concrete example, I invite you to look at the example provided in the `src` folder.
 
 ## License
 
diff --git a/src/SearchModule.js b/src/SearchModule.js
index 5ec61d2..e27ba1c 100644
--- a/src/SearchModule.js
+++ b/src/SearchModule.js
@@ -5,7 +5,6 @@
             this.items = options.items;
             this.defaultDisplay = options.defaultDisplay || "block";
             this.oninput = options.oninput;
-            this.onEnterKey = options.onEnterKey;
 
             if (!this.input || !this.items) {
                 throw new Error("SearchModule(options) : input parameter and items parameter cannot be null.");